Activation of the central nervous system induced by micro-magnetic stimulation

Hyun-Joo Park, Giorgio Bonmassar, James A. Kaltenbach, Andre G. Machado, Nauman F. Manzoor and John T. Gale ()
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Hyun-Joo Park: Cleveland Clinic, 9500 Euclid Avenue
Giorgio Bonmassar: A.A. Martinos Center, Harvard Medical School, Massachusetts General Hospital
James A. Kaltenbach: Cleveland Clinic, 9500 Euclid Avenue
Andre G. Machado: Cleveland Clinic, 9500 Euclid Avenue
Nauman F. Manzoor: Cleveland Clinic, 9500 Euclid Avenue
John T. Gale: Cleveland Clinic, 9500 Euclid Avenue

Nature Communications, 2013, vol. 4, issue 1, 1-9

Abstract: Abstract Electrical and transcranial magnetic stimulations have proven to be therapeutically beneficial for patients suffering from neurological disorders. Moreover, these stimulation technologies have provided invaluable tools for investigating nervous system functions. Despite this success, these technologies have technical and practical limitations impeding the maximization of their full clinical and preclinical potential. Recently, micro-magnetic stimulation, which may offer advantages over electrical and transcranial magnetic stimulation, has proven effective in activating the neuronal circuitry of the retina in vitro. Here we demonstrate that this technology is also capable of activating neuronal circuitry on a systems level using an in vivo preparation. Specifically, the application of micro-magnetic fields to the dorsal cochlear nucleus activates inferior colliculus neurons. Additionally, we demonstrate the efficacy and characteristics of activation using different magnetic stimulation parameters. These findings provide a rationale for further exploration of micro-magnetic stimulation as a prospective tool for clinical and preclinical applications.

Date: 2013
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DOI: 10.1038/ncomms3463

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